From: Ville Syrjälä <ville.syrjala@linux.intel.com>
Date: Wed, 9 Apr 2014 10:28:33 +0000 (+0300)
Subject: drm/i915/chv: Implement WaDisablePartialInstShootdown:chv
X-Git-Tag: next-20140521~64^2~32
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=dd811e70caa068dd78e7113653d269e9bc3b80e5;p=karo-tx-linux.git

drm/i915/chv: Implement WaDisablePartialInstShootdown:chv

Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
---

diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 15eb29cd3ee3..cb6deaf126a0 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -5375,6 +5375,10 @@ static void cherryview_init_clock_gating(struct drm_device *dev)
 	I915_WRITE(DSPCLK_GATE_D, VRHUNIT_CLOCK_GATE_DISABLE);
 
 	I915_WRITE(MI_ARB_VLV, MI_ARB_DISPLAY_TRICKLE_FEED_DISABLE);
+
+	/* WaDisablePartialInstShootdown:chv */
+	I915_WRITE(GEN8_ROW_CHICKEN,
+		   _MASKED_BIT_ENABLE(PARTIAL_INSTRUCTION_SHOOTDOWN_DISABLE));
 }
 
 static void g4x_init_clock_gating(struct drm_device *dev)